CA2277305C - Production of solid polyaspartate salt - Google Patents
Production of solid polyaspartate salt Download PDFInfo
- Publication number
- CA2277305C CA2277305C CA002277305A CA2277305A CA2277305C CA 2277305 C CA2277305 C CA 2277305C CA 002277305 A CA002277305 A CA 002277305A CA 2277305 A CA2277305 A CA 2277305A CA 2277305 C CA2277305 C CA 2277305C
- Authority
- CA
- Canada
- Prior art keywords
- salt
- solid
- polyaspartate
- polysuccinimide
- alkali metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0605—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0611—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring, e.g. polypyrroles
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polyamides (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/796,642 US5859149A (en) | 1997-02-07 | 1997-02-07 | Production of solid polyaspartate salt |
US08/796,642 | 1997-02-07 | ||
PCT/US1998/002507 WO1998034976A1 (en) | 1997-02-07 | 1998-02-09 | Production of solid polyaspartate salt |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2277305A1 CA2277305A1 (en) | 1998-08-13 |
CA2277305C true CA2277305C (en) | 2006-10-03 |
Family
ID=25168681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002277305A Expired - Fee Related CA2277305C (en) | 1997-02-07 | 1998-02-09 | Production of solid polyaspartate salt |
Country Status (11)
Country | Link |
---|---|
US (1) | US5859149A (ja) |
EP (1) | EP0958317B1 (ja) |
JP (1) | JP3976791B2 (ja) |
AT (1) | ATE218151T1 (ja) |
AU (1) | AU736369B2 (ja) |
BR (1) | BR9807307A (ja) |
CA (1) | CA2277305C (ja) |
DE (1) | DE69805602T2 (ja) |
DK (1) | DK0958317T3 (ja) |
ES (1) | ES2178166T3 (ja) |
WO (1) | WO1998034976A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19740787A1 (de) * | 1997-09-17 | 1999-03-18 | Bayer Ag | Verfahren zur Verbesserung der Plastizität von keramischen Massen und Umkehr dieser Wirkung |
US6365706B1 (en) | 2000-06-21 | 2002-04-02 | Mississippi Chemical Corporation | Process for production of polyasparagine and the high nitrogen content polymer formed thereby |
US7534280B2 (en) * | 2005-04-25 | 2009-05-19 | The Davey Tree Expert Company | Fertilizers containing polyamino acid |
US20060236734A1 (en) * | 2005-04-25 | 2006-10-26 | The Davey Tree Expert Company | Fertilizers containing polyamino acid |
CN111019131B (zh) * | 2019-12-13 | 2021-06-18 | 山东泰和水处理科技股份有限公司 | 一种聚天冬氨酸锌盐的制备方法 |
CN110862540B (zh) * | 2019-12-13 | 2021-06-18 | 山东泰和水处理科技股份有限公司 | 一种聚天冬氨酸锌盐的合成方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5288783A (en) * | 1992-05-14 | 1994-02-22 | Srchem Incorporated | Preparation of salt of polyaspartic acid by high temperature reaction |
US5521257A (en) * | 1995-01-03 | 1996-05-28 | Donlar Corporation | Hydrolysis of polysuccinimide to produce low-color polyaspartic acid and salts thereof |
US5552517A (en) * | 1995-03-03 | 1996-09-03 | Monsanto Company | Production of polysuccinimide in an organic medium |
-
1997
- 1997-02-07 US US08/796,642 patent/US5859149A/en not_active Expired - Lifetime
-
1998
- 1998-02-09 DE DE69805602T patent/DE69805602T2/de not_active Expired - Lifetime
- 1998-02-09 EP EP98906261A patent/EP0958317B1/en not_active Expired - Lifetime
- 1998-02-09 AU AU61530/98A patent/AU736369B2/en not_active Ceased
- 1998-02-09 BR BR9807307-9A patent/BR9807307A/pt not_active Application Discontinuation
- 1998-02-09 DK DK98906261T patent/DK0958317T3/da active
- 1998-02-09 WO PCT/US1998/002507 patent/WO1998034976A1/en active IP Right Grant
- 1998-02-09 AT AT98906261T patent/ATE218151T1/de active
- 1998-02-09 ES ES98906261T patent/ES2178166T3/es not_active Expired - Lifetime
- 1998-02-09 JP JP53237498A patent/JP3976791B2/ja not_active Expired - Fee Related
- 1998-02-09 CA CA002277305A patent/CA2277305C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0958317B1 (en) | 2002-05-29 |
DK0958317T3 (da) | 2002-09-16 |
DE69805602D1 (de) | 2002-07-04 |
CA2277305A1 (en) | 1998-08-13 |
JP3976791B2 (ja) | 2007-09-19 |
ATE218151T1 (de) | 2002-06-15 |
ES2178166T3 (es) | 2002-12-16 |
EP0958317A1 (en) | 1999-11-24 |
WO1998034976A1 (en) | 1998-08-13 |
US5859149A (en) | 1999-01-12 |
JP2001509196A (ja) | 2001-07-10 |
BR9807307A (pt) | 2000-05-02 |
AU6153098A (en) | 1998-08-26 |
DE69805602T2 (de) | 2002-10-17 |
AU736369B2 (en) | 2001-07-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20130211 |
|
MKLA | Lapsed |
Effective date: 20130211 |